Heartleaf (Houttuynia): effective % & pH 어성초
⏱ 1 min read
⚡ Quick answer: Heartleaf (Houttuynia): effective concentration varies (extract; toners often listed up to ~70–90%+), optimal pH 5.0–6.5, evidence Limited. A heartleaf/Houttuynia toner boasting a high % is mostly a diluted botanical water — a soothing base, not a dose you can compare to acids or niacinamide.
How much Heartleaf (Houttuynia) actually works? Here's the dosage, pH and evidence — the formulator-level read behind the % on a Korean label.
| Effective % | varies (extract; toners often listed up to ~70–90%+) |
|---|---|
| Optimal pH | 5.0–6.5 |
| Evidence | Limited |
| Onset | 2–4 weeks (calming look) |
What the % on the label really means
A heartleaf/Houttuynia toner boasting a high % is mostly a diluted botanical water — a soothing base, not a dose you can compare to acids or niacinamide.
⚠️ Ceiling: High listed % is a base-feel cue; standardized heartleaf actives aren't established, so percentage ≠ potency.
Heartleaf (Houttuynia) guide →How Heartleaf (Houttuynia) works →
Sources: PubMed — Heartleaf (Houttuynia) & skin ↗ · AAD skin-care basics ↗ · Evidence digest: Heartleaf (Houttuynia cordata) →
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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.